YONGNUO YN50mm F1.8S DF DSM Autofocus Standard Full Frame Prime Lens for Sony E Mount

• 【F1.8 large aperture and AF/MF focus mode switch 】Flexible use of F1.8 large aperture, easy to obtain soft blur effect. You can shoot with low sensitivity and high shutter in low light environment. Through the AF/MF focus mode switch, you can quickly switch the focus mode.
• 【11 optical lenses in 8 groups 】The lens adopts an optical structure of 11 lenses in 8 groups, and the lens has a nano-multilayer coating process, which can effectively increase the light transmittance and suppress back-light ghosts and glare.
• 【Equipped with aspherical lens and low-dispersion lens】Equipped with one aspherical lens, which effectively compensate for a variety of aberrations. and one low-dispersion glass, which can effectively suppress the dispersion problem.
• 【USB firmware upgrade】Equipped with a USB Type-C interface, you can download the latest firmware to upgrade the lens, which keeps the lens at its best performance.
• 【Quiet DSM Stepping Motor】Digital control stepping motor (DSM) has quick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording.

A fast, f/1.8 standard AF e mount lens that realizes the higher level of optical performance of the Ynlens, providing outstandingly beautiful, smooth bokeh in both stills and videos.